1. Department of Physical Medicine & Rehabilitation, Mayo Clinic Sports Medicine Center, Mayo Clinic, Rochester, MN
2. Department of Biomedical Engineering and Physiology, Mayo Graduate School, Mayo Clinic, Rochester, MN; Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
3. Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
4. Department of Biochemistry & Molecular Biology, Mayo Graduate School, Mayo Clinic, Rochester, MN; Department of Laboratory Medicine & Pathology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
5. Department of Physical Medicine & Rehabilitation, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN; Department of Anesthesiology Division of Pain Medicine, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN
6. Department of Orthopedic Surgery, Medical Sciences Building, Rm S3‐69, Mayo Clinic, 200 1st St, SW, Rochester, MN 55905; Department of Biomedical Engineering and Physiology, Mayo Graduate School, Mayo Clinic, Rochester, MN; Department of Biochemistry & Molecular Biology, Mayo Graduate School, Mayo Clinic, Rochester, MN
7. Department of Physical Medicine & Rehabilitation, W14, Mayo Building, Mayo Clinic, 200 1st St, SW, Rochester, MN 55905; Department of Radiology, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN; Department of Anatomy, Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN